/*版心*/
.wrapper{
    width: 1240px;
    margin: 0 auto;
   /* background-color: #333333*/;
}
.shortcut{
    height: 30px;
    background-color: lightblue;
}
.shortcut .wrapper{
    height: 30px;
}
.shortcut .wrapper ul {
    float:right;
}
.shortcut .wrapper  li {
    float:right;
    line-height: 30px;
}
.shortcut .wrapper  a {
    padding : 0 16px;
    border-right: 1px solid #666666;
}
.header{
    height: 70px;
    /*background-color: red*/;
    margin:20px auto;
}
.logo{
    float: left;
    width:70px;
    height:70px;
    /*background-color: aquamarine;*/
}
.nav{
    float: left;
    height:70px;
    /*background-color: blue;*/
    margin-left:40px;
}
.search{
    position: relative;
    width:172px;
    height: 30px;
    float: left;
    /*background-color: pink;*/
    margin-left: 30px;
    margin-top: 20px;
    border-bottom: 1px solid  darkslateblue;
}
.nav li{
    float: left;
    margin-right: 48px;
    line-height: 70px;
}
.nav li a{
    padding-bottom: 5px;
}
/*伪类当扫过时会变色，这个作用于跳转栏目框*/
.nav li a:hover{
    color: darkorange;
    border-bottom:1px solid darkorange ;
}
.na li a:hover{
    color: darkorange;
    border-bottom:1px solid darkorange ;
}
.wrapper  li a:hover{
    color: darkorange;
    border-bottom:1px solid darkorange ;
}


.search input{
    padding-left: 20px;
}
.search span{
    position: absolute;
    left:0px;
    top:4px;
    display:inline-block;/*绝对定位后标签具备行内块特点不需要display转换，可以省略*/
    width:18px;
    height:18px;
    /*background-color: pink;*/
    background-image: url("../images/sprites.png");
    background-position: -79px -69px;
}
.search a{
    position: absolute;
    right:0px;
    top:4px;
    display:inline-block;

}
.search .abc{

    background-color: dimgray;
}